java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --rcfgbuilder.command.for.external.solver 'z3 SMTLIB2_COMPLIANT=true -memory:4096 -smt2 -in -t:12000' -tc ../../../trunk/examples/toolchains/AutomizerBplInlineTransformed.xml --icfgtransformation.transformationtype MAP_ELIMINATION_MONNIAUX --icfgtransformation.map.elimination.monniaux.number.of.cells 1 -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/n.c11.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-7aa59a0 [2019-05-23 09:49:40,762 INFO L146 ILogger]: Resetting all preferences to default values... [2019-05-23 09:49:40,764 INFO L146 ILogger]: Resetting UltimateCore preferences to default values [2019-05-23 09:49:40,775 INFO L146 ILogger]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-05-23 09:49:40,776 INFO L146 ILogger]: Resetting Boogie Preprocessor preferences to default values [2019-05-23 09:49:40,777 INFO L146 ILogger]: Resetting Boogie Procedure Inliner preferences to default values [2019-05-23 09:49:40,778 INFO L146 ILogger]: Resetting Abstract Interpretation preferences to default values [2019-05-23 09:49:40,780 INFO L146 ILogger]: Resetting LassoRanker preferences to default values [2019-05-23 09:49:40,782 INFO L146 ILogger]: Resetting Reaching Definitions preferences to default values [2019-05-23 09:49:40,783 INFO L146 ILogger]: Resetting SyntaxChecker preferences to default values [2019-05-23 09:49:40,784 INFO L146 ILogger]: Büchi Program Product provides no preferences, ignoring... [2019-05-23 09:49:40,784 INFO L146 ILogger]: Resetting LTL2Aut preferences to default values [2019-05-23 09:49:40,785 INFO L146 ILogger]: Resetting PEA to Boogie preferences to default values [2019-05-23 09:49:40,786 INFO L146 ILogger]: Resetting BlockEncodingV2 preferences to default values [2019-05-23 09:49:40,787 INFO L146 ILogger]: Resetting ChcToBoogie preferences to default values [2019-05-23 09:49:40,788 INFO L146 ILogger]: Resetting AutomataScriptInterpreter preferences to default values [2019-05-23 09:49:40,789 INFO L146 ILogger]: Resetting BuchiAutomizer preferences to default values [2019-05-23 09:49:40,791 INFO L146 ILogger]: Resetting CACSL2BoogieTranslator preferences to default values [2019-05-23 09:49:40,793 INFO L146 ILogger]: Resetting CodeCheck preferences to default values [2019-05-23 09:49:40,797 INFO L146 ILogger]: Resetting InvariantSynthesis preferences to default values [2019-05-23 09:49:40,799 INFO L146 ILogger]: Resetting RCFGBuilder preferences to default values [2019-05-23 09:49:40,803 INFO L146 ILogger]: Resetting TraceAbstraction preferences to default values [2019-05-23 09:49:40,808 INFO L146 ILogger]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-05-23 09:49:40,808 INFO L146 ILogger]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-05-23 09:49:40,811 INFO L146 ILogger]: Resetting TreeAutomizer preferences to default values [2019-05-23 09:49:40,812 INFO L146 ILogger]: Resetting IcfgToChc preferences to default values [2019-05-23 09:49:40,813 INFO L146 ILogger]: Resetting IcfgTransformer preferences to default values [2019-05-23 09:49:40,814 INFO L146 ILogger]: ReqToTest provides no preferences, ignoring... [2019-05-23 09:49:40,814 INFO L146 ILogger]: Resetting Boogie Printer preferences to default values [2019-05-23 09:49:40,817 INFO L146 ILogger]: Resetting ChcSmtPrinter preferences to default values [2019-05-23 09:49:40,818 INFO L146 ILogger]: Resetting ReqPrinter preferences to default values [2019-05-23 09:49:40,822 INFO L146 ILogger]: Resetting Witness Printer preferences to default values [2019-05-23 09:49:40,824 INFO L146 ILogger]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-05-23 09:49:40,824 INFO L146 ILogger]: Resetting CDTParser preferences to default values [2019-05-23 09:49:40,825 INFO L146 ILogger]: AutomataScriptParser provides no preferences, ignoring... [2019-05-23 09:49:40,825 INFO L146 ILogger]: ReqParser provides no preferences, ignoring... [2019-05-23 09:49:40,826 INFO L146 ILogger]: Resetting SmtParser preferences to default values [2019-05-23 09:49:40,827 INFO L146 ILogger]: Resetting Witness Parser preferences to default values [2019-05-23 09:49:40,827 INFO L146 ILogger]: Finished resetting all preferences to default values... Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Command for external solver -> z3 SMTLIB2_COMPLIANT=true -memory:4096 -smt2 -in -t:12000 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: TransformationType -> MAP_ELIMINATION_MONNIAUX Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: Map elimination Monniaux: number of cells -> 1 [2019-05-23 09:49:40,864 INFO L146 ILogger]: Repository-Root is: /tmp [2019-05-23 09:49:40,878 INFO L146 ILogger]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-05-23 09:49:40,885 INFO L146 ILogger]: [Toolchain 1]: Toolchain selected. [2019-05-23 09:49:40,887 INFO L146 ILogger]: Initializing Boogie PL CUP Parser... [2019-05-23 09:49:40,887 INFO L146 ILogger]: Boogie PL CUP Parser initialized [2019-05-23 09:49:40,888 INFO L146 ILogger]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/n.c11.i_3.bpl [2019-05-23 09:49:40,888 INFO L146 ILogger]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/n.c11.i_3.bpl' [2019-05-23 09:49:40,933 INFO L146 ILogger]: ####################### [Toolchain 1] ####################### [2019-05-23 09:49:40,935 INFO L146 ILogger]: Walking toolchain with 5 elements. [2019-05-23 09:49:40,936 INFO L146 ILogger]: ------------------------Boogie Procedure Inliner---------------------------- [2019-05-23 09:49:40,936 INFO L146 ILogger]: Initializing Boogie Procedure Inliner... [2019-05-23 09:49:40,936 INFO L146 ILogger]: Boogie Procedure Inliner initialized [2019-05-23 09:49:40,953 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,966 INFO L146 ILogger]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,976 INFO L146 ILogger]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-05-23 09:49:40,978 INFO L146 ILogger]: ------------------------Boogie Preprocessor---------------------------- [2019-05-23 09:49:40,978 INFO L146 ILogger]: Initializing Boogie Preprocessor... [2019-05-23 09:49:40,978 INFO L146 ILogger]: Boogie Preprocessor initialized [2019-05-23 09:49:40,991 INFO L146 ILogger]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,991 INFO L146 ILogger]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,992 INFO L146 ILogger]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,992 INFO L146 ILogger]: Executing the observer StructExpander from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,996 INFO L146 ILogger]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,998 INFO L146 ILogger]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:40,999 INFO L146 ILogger]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... [2019-05-23 09:49:41,000 INFO L146 ILogger]: ------------------------ END Boogie Preprocessor---------------------------- [2019-05-23 09:49:41,001 INFO L146 ILogger]: ------------------------RCFGBuilder---------------------------- [2019-05-23 09:49:41,001 INFO L146 ILogger]: Initializing RCFGBuilder... [2019-05-23 09:49:41,002 INFO L146 ILogger]: RCFGBuilder initialized [2019-05-23 09:49:41,003 INFO L146 ILogger]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4096 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4096 -smt2 -in -t:12000 [2019-05-23 09:49:41,078 INFO L146 ILogger]: Found specification of procedure ULTIMATE.start [2019-05-23 09:49:41,079 INFO L146 ILogger]: Found implementation of procedure ULTIMATE.start [2019-05-23 09:49:41,322 INFO L146 ILogger]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-05-23 09:49:41,323 INFO L146 ILogger]: Removed 1 assume(true) statements. [2019-05-23 09:49:41,324 INFO L146 ILogger]: Adding new model n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:49:41 BoogieIcfgContainer [2019-05-23 09:49:41,324 INFO L146 ILogger]: ------------------------ END RCFGBuilder---------------------------- [2019-05-23 09:49:41,325 INFO L146 ILogger]: ------------------------IcfgTransformer---------------------------- [2019-05-23 09:49:41,325 INFO L146 ILogger]: Initializing IcfgTransformer... [2019-05-23 09:49:41,326 INFO L146 ILogger]: IcfgTransformer initialized [2019-05-23 09:49:41,329 INFO L146 ILogger]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:49:41" (1/1) ... [2019-05-23 09:49:41,364 INFO L146 ILogger]: L40 [2019-05-23 09:49:41,365 INFO L146 ILogger]: In Formula: (and (not (= 4 (mod v_ULTIMATE.start_main_~len~5_6 4294967296))) (= v_ULTIMATE.start_main_~a~5_4 (store v_ULTIMATE.start_main_~a~5_5 (mod v_ULTIMATE.start_main_~len~5_6 4294967296) 0)) (not (= 0 (mod |v_ULTIMATE.start_main_#t~nondet0_5| 256))) (= (+ v_ULTIMATE.start_main_~len~5_6 1) v_ULTIMATE.start_main_~len~5_5)) InVars {ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_5|, ULTIMATE.start_main_~a~5=v_ULTIMATE.start_main_~a~5_5, ULTIMATE.start_main_~len~5=v_ULTIMATE.start_main_~len~5_6} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_4|, ULTIMATE.start_main_~a~5=v_ULTIMATE.start_main_~a~5_4, ULTIMATE.start_main_#t~post1=|v_ULTIMATE.start_main_#t~post1_2|, ULTIMATE.start_main_~len~5=v_ULTIMATE.start_main_~len~5_5} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~a~5, ULTIMATE.start_main_#t~post1, ULTIMATE.start_main_~len~5] [2019-05-23 09:49:41,366 INFO L146 ILogger]: Out Formula: (and v_ULTIMATE.start_main_~a~5_idx_0_term_assigned_1 (or (not v_ULTIMATE.start_main_~a~5_idx_0_term_assigned_1) (= v_ULTIMATE.start_main_~a~5_idx_0_term_1 (mod v_ULTIMATE.start_main_~len~5_6 4294967296))) (or (= v_ULTIMATE.start_main_~a~5_val_0_in_1 0) (not (= v_ULTIMATE.start_main_~a~5_idx_0_term_1 (mod v_ULTIMATE.start_main_~len~5_6 4294967296)))) (= v_ULTIMATE.start_main_~a~5_val_0_out_1 v_ULTIMATE.start_main_~a~5_val_0_in_1) (not (= 4 (mod v_ULTIMATE.start_main_~len~5_6 4294967296))) (not (= 0 (mod |v_ULTIMATE.start_main_#t~nondet0_5| 256))) (= (+ v_ULTIMATE.start_main_~len~5_6 1) v_ULTIMATE.start_main_~len~5_5)) InVars {ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_5|, ULTIMATE.start_main_~a~5_idx_0=v_ULTIMATE.start_main_~a~5_idx_0_term_1, ULTIMATE.start_main_~a~5_idx_0_bool=v_ULTIMATE.start_main_~a~5_idx_0_term_assigned_1, ULTIMATE.start_main_~a~5_val_0=v_ULTIMATE.start_main_~a~5_val_0_in_1, ULTIMATE.start_main_~len~5=v_ULTIMATE.start_main_~len~5_6} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_4|, ULTIMATE.start_main_~a~5_idx_0=v_ULTIMATE.start_main_~a~5_idx_0_term_1, ULTIMATE.start_main_~a~5_val_0=v_ULTIMATE.start_main_~a~5_val_0_out_1, ULTIMATE.start_main_#t~post1=|v_ULTIMATE.start_main_#t~post1_2|, ULTIMATE.start_main_~a~5_idx_0_bool=v_ULTIMATE.start_main_~a~5_idx_0_term_assigned_1, ULTIMATE.start_main_~len~5=v_ULTIMATE.start_main_~len~5_5} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~a~5_val_0, ULTIMATE.start_main_#t~post1, ULTIMATE.start_main_~len~5] [2019-05-23 09:49:41,366 INFO L146 ILogger]: L40 [2019-05-23 09:49:41,374 INFO L146 ILogger]: Adding new model n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.05 09:49:41 BasicIcfg [2019-05-23 09:49:41,375 INFO L146 ILogger]: ------------------------ END IcfgTransformer---------------------------- [2019-05-23 09:49:41,376 INFO L146 ILogger]: ------------------------TraceAbstraction---------------------------- [2019-05-23 09:49:41,376 INFO L146 ILogger]: Initializing TraceAbstraction... [2019-05-23 09:49:41,379 INFO L146 ILogger]: TraceAbstraction initialized [2019-05-23 09:49:41,380 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.05 09:49:40" (1/3) ... [2019-05-23 09:49:41,381 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f223b0 and model type n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.05 09:49:41, skipping insertion in model container [2019-05-23 09:49:41,381 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.05 09:49:41" (2/3) ... [2019-05-23 09:49:41,382 INFO L146 ILogger]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f223b0 and model type n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.05 09:49:41, skipping insertion in model container [2019-05-23 09:49:41,382 INFO L146 ILogger]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.05 09:49:41" (3/3) ... [2019-05-23 09:49:41,383 INFO L146 ILogger]: Analyzing ICFG n.c11.i_3.bplME [2019-05-23 09:49:41,393 INFO L146 ILogger]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-05-23 09:49:41,401 INFO L146 ILogger]: Appying trace abstraction to program that has 1 error locations. [2019-05-23 09:49:41,418 INFO L146 ILogger]: Starting to check reachability of 1 error locations. [2019-05-23 09:49:41,445 INFO L146 ILogger]: Using default assertion order modulation [2019-05-23 09:49:41,445 INFO L146 ILogger]: Interprodecural is true [2019-05-23 09:49:41,446 INFO L146 ILogger]: Hoare is false [2019-05-23 09:49:41,446 INFO L146 ILogger]: Compute interpolants for ForwardPredicates [2019-05-23 09:49:41,446 INFO L146 ILogger]: Backedges is STRAIGHT_LINE [2019-05-23 09:49:41,446 INFO L146 ILogger]: Determinization is PREDICATE_ABSTRACTION [2019-05-23 09:49:41,446 INFO L146 ILogger]: Difference is false [2019-05-23 09:49:41,446 INFO L146 ILogger]: Minimize is MINIMIZE_SEVPA [2019-05-23 09:49:41,447 INFO L146 ILogger]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-05-23 09:49:41,461 INFO L146 ILogger]: Start isEmpty. Operand 5 states. [2019-05-23 09:49:41,470 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 4 [2019-05-23 09:49:41,470 INFO L146 ILogger]: Found error trace [2019-05-23 09:49:41,472 INFO L146 ILogger]: trace histogram [1, 1, 1] [2019-05-23 09:49:41,475 INFO L146 ILogger]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:49:41,481 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:49:41,481 INFO L146 ILogger]: Analyzing trace with hash 42734, now seen corresponding path program 1 times [2019-05-23 09:49:41,535 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:49:41,584 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:49:41,588 INFO L146 ILogger]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2019-05-23 09:49:41,593 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:49:41,640 INFO L146 ILogger]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:49:41,643 INFO L146 ILogger]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-05-23 09:49:41,643 INFO L146 ILogger]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-05-23 09:49:41,648 INFO L146 ILogger]: Interpolant automaton has 3 states [2019-05-23 09:49:41,664 INFO L146 ILogger]: Constructing interpolant automaton starting with 3 interpolants. [2019-05-23 09:49:41,665 INFO L146 ILogger]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-05-23 09:49:41,667 INFO L146 ILogger]: Start difference. First operand 5 states. Second operand 3 states. [2019-05-23 09:49:41,721 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:49:41,721 INFO L146 ILogger]: Finished difference Result 5 states and 5 transitions. [2019-05-23 09:49:41,722 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-05-23 09:49:41,724 INFO L146 ILogger]: Start accepts. Automaton has 3 states. Word has length 3 [2019-05-23 09:49:41,724 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:49:41,734 INFO L146 ILogger]: With dead ends: 5 [2019-05-23 09:49:41,734 INFO L146 ILogger]: Without dead ends: 5 [2019-05-23 09:49:41,736 INFO L146 ILogger]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-05-23 09:49:41,755 INFO L146 ILogger]: Start minimizeSevpa. Operand 5 states. [2019-05-23 09:49:41,769 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-05-23 09:49:41,770 INFO L146 ILogger]: Start removeUnreachable. Operand 5 states. [2019-05-23 09:49:41,771 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-05-23 09:49:41,775 INFO L146 ILogger]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-05-23 09:49:41,776 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:49:41,776 INFO L146 ILogger]: Abstraction has 5 states and 5 transitions. [2019-05-23 09:49:41,776 INFO L146 ILogger]: Interpolant automaton has 3 states. [2019-05-23 09:49:41,777 INFO L146 ILogger]: Start isEmpty. Operand 5 states and 5 transitions. [2019-05-23 09:49:41,777 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 5 [2019-05-23 09:49:41,777 INFO L146 ILogger]: Found error trace [2019-05-23 09:49:41,778 INFO L146 ILogger]: trace histogram [1, 1, 1, 1] [2019-05-23 09:49:41,781 INFO L146 ILogger]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:49:41,784 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:49:41,784 INFO L146 ILogger]: Analyzing trace with hash 1325669, now seen corresponding path program 1 times [2019-05-23 09:49:41,786 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:49:41,831 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:49:41,837 INFO L146 ILogger]: Trace formula consists of 22 conjuncts, 8 conjunts are in the unsatisfiable core [2019-05-23 09:49:41,838 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:49:42,010 INFO L146 ILogger]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:49:42,010 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:49:42,012 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-05-23 09:49:42,014 INFO L146 ILogger]: Interpolant automaton has 4 states [2019-05-23 09:49:42,014 INFO L146 ILogger]: Constructing interpolant automaton starting with 4 interpolants. [2019-05-23 09:49:42,015 INFO L146 ILogger]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-05-23 09:49:42,015 INFO L146 ILogger]: Start difference. First operand 5 states and 5 transitions. Second operand 4 states. [2019-05-23 09:49:42,137 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:49:42,138 INFO L146 ILogger]: Finished difference Result 6 states and 6 transitions. [2019-05-23 09:49:42,138 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-05-23 09:49:42,139 INFO L146 ILogger]: Start accepts. Automaton has 4 states. Word has length 4 [2019-05-23 09:49:42,139 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:49:42,139 INFO L146 ILogger]: With dead ends: 6 [2019-05-23 09:49:42,140 INFO L146 ILogger]: Without dead ends: 6 [2019-05-23 09:49:42,141 INFO L146 ILogger]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-05-23 09:49:42,141 INFO L146 ILogger]: Start minimizeSevpa. Operand 6 states. [2019-05-23 09:49:42,142 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-05-23 09:49:42,142 INFO L146 ILogger]: Start removeUnreachable. Operand 6 states. [2019-05-23 09:49:42,143 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-05-23 09:49:42,143 INFO L146 ILogger]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-05-23 09:49:42,143 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:49:42,146 INFO L146 ILogger]: Abstraction has 6 states and 6 transitions. [2019-05-23 09:49:42,146 INFO L146 ILogger]: Interpolant automaton has 4 states. [2019-05-23 09:49:42,146 INFO L146 ILogger]: Start isEmpty. Operand 6 states and 6 transitions. [2019-05-23 09:49:42,147 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 6 [2019-05-23 09:49:42,147 INFO L146 ILogger]: Found error trace [2019-05-23 09:49:42,147 INFO L146 ILogger]: trace histogram [2, 1, 1, 1] [2019-05-23 09:49:42,147 INFO L146 ILogger]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:49:42,148 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:49:42,148 INFO L146 ILogger]: Analyzing trace with hash 41096654, now seen corresponding path program 2 times [2019-05-23 09:49:42,150 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:49:42,185 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:49:42,187 INFO L146 ILogger]: Trace formula consists of 31 conjuncts, 10 conjunts are in the unsatisfiable core [2019-05-23 09:49:42,189 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:49:42,280 INFO L146 ILogger]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:49:42,280 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:49:42,280 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-05-23 09:49:42,281 INFO L146 ILogger]: Interpolant automaton has 5 states [2019-05-23 09:49:42,281 INFO L146 ILogger]: Constructing interpolant automaton starting with 5 interpolants. [2019-05-23 09:49:42,282 INFO L146 ILogger]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-05-23 09:49:42,282 INFO L146 ILogger]: Start difference. First operand 6 states and 6 transitions. Second operand 5 states. [2019-05-23 09:49:42,326 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:49:42,327 INFO L146 ILogger]: Finished difference Result 7 states and 7 transitions. [2019-05-23 09:49:42,327 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-05-23 09:49:42,327 INFO L146 ILogger]: Start accepts. Automaton has 5 states. Word has length 5 [2019-05-23 09:49:42,328 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:49:42,328 INFO L146 ILogger]: With dead ends: 7 [2019-05-23 09:49:42,328 INFO L146 ILogger]: Without dead ends: 7 [2019-05-23 09:49:42,329 INFO L146 ILogger]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-05-23 09:49:42,330 INFO L146 ILogger]: Start minimizeSevpa. Operand 7 states. [2019-05-23 09:49:42,331 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-05-23 09:49:42,331 INFO L146 ILogger]: Start removeUnreachable. Operand 7 states. [2019-05-23 09:49:42,331 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-05-23 09:49:42,332 INFO L146 ILogger]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2019-05-23 09:49:42,334 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:49:42,334 INFO L146 ILogger]: Abstraction has 7 states and 7 transitions. [2019-05-23 09:49:42,334 INFO L146 ILogger]: Interpolant automaton has 5 states. [2019-05-23 09:49:42,334 INFO L146 ILogger]: Start isEmpty. Operand 7 states and 7 transitions. [2019-05-23 09:49:42,335 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 7 [2019-05-23 09:49:42,335 INFO L146 ILogger]: Found error trace [2019-05-23 09:49:42,335 INFO L146 ILogger]: trace histogram [3, 1, 1, 1] [2019-05-23 09:49:42,335 INFO L146 ILogger]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:49:42,336 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:49:42,336 INFO L146 ILogger]: Analyzing trace with hash 1273997189, now seen corresponding path program 3 times [2019-05-23 09:49:42,337 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:49:42,385 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:49:42,389 INFO L146 ILogger]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2019-05-23 09:49:42,390 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:49:42,478 INFO L146 ILogger]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:49:42,478 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:49:42,478 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-05-23 09:49:42,479 INFO L146 ILogger]: Interpolant automaton has 6 states [2019-05-23 09:49:42,479 INFO L146 ILogger]: Constructing interpolant automaton starting with 6 interpolants. [2019-05-23 09:49:42,479 INFO L146 ILogger]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-05-23 09:49:42,479 INFO L146 ILogger]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2019-05-23 09:49:42,535 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:49:42,535 INFO L146 ILogger]: Finished difference Result 8 states and 8 transitions. [2019-05-23 09:49:42,535 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-05-23 09:49:42,536 INFO L146 ILogger]: Start accepts. Automaton has 6 states. Word has length 6 [2019-05-23 09:49:42,536 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:49:42,536 INFO L146 ILogger]: With dead ends: 8 [2019-05-23 09:49:42,536 INFO L146 ILogger]: Without dead ends: 8 [2019-05-23 09:49:42,537 INFO L146 ILogger]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-05-23 09:49:42,537 INFO L146 ILogger]: Start minimizeSevpa. Operand 8 states. [2019-05-23 09:49:42,538 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-05-23 09:49:42,538 INFO L146 ILogger]: Start removeUnreachable. Operand 8 states. [2019-05-23 09:49:42,539 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-05-23 09:49:42,539 INFO L146 ILogger]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2019-05-23 09:49:42,539 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:49:42,539 INFO L146 ILogger]: Abstraction has 8 states and 8 transitions. [2019-05-23 09:49:42,539 INFO L146 ILogger]: Interpolant automaton has 6 states. [2019-05-23 09:49:42,539 INFO L146 ILogger]: Start isEmpty. Operand 8 states and 8 transitions. [2019-05-23 09:49:42,540 INFO L146 ILogger]: Finished isEmpty. Found accepting run of length 8 [2019-05-23 09:49:42,540 INFO L146 ILogger]: Found error trace [2019-05-23 09:49:42,540 INFO L146 ILogger]: trace histogram [4, 1, 1, 1] [2019-05-23 09:49:42,540 INFO L146 ILogger]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-05-23 09:49:42,541 INFO L146 ILogger]: Initialized classic predicate unifier [2019-05-23 09:49:42,541 INFO L146 ILogger]: Analyzing trace with hash 839208110, now seen corresponding path program 4 times [2019-05-23 09:49:42,542 INFO L146 ILogger]: Using refinement strategy FixedRefinementStrategy [2019-05-23 09:49:42,565 INFO L146 ILogger]: Conjunction of SSA is unsat [2019-05-23 09:49:42,568 INFO L146 ILogger]: Trace formula consists of 49 conjuncts, 14 conjunts are in the unsatisfiable core [2019-05-23 09:49:42,569 INFO L146 ILogger]: Computing forward predicates... [2019-05-23 09:49:42,800 INFO L146 ILogger]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-05-23 09:49:42,800 INFO L146 ILogger]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-05-23 09:49:42,800 INFO L146 ILogger]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-05-23 09:49:42,801 INFO L146 ILogger]: Interpolant automaton has 7 states [2019-05-23 09:49:42,801 INFO L146 ILogger]: Constructing interpolant automaton starting with 7 interpolants. [2019-05-23 09:49:42,801 INFO L146 ILogger]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-05-23 09:49:42,802 INFO L146 ILogger]: Start difference. First operand 8 states and 8 transitions. Second operand 7 states. [2019-05-23 09:49:42,982 INFO L146 ILogger]: Subtrahend was deterministic. Have not used determinization. [2019-05-23 09:49:42,982 INFO L146 ILogger]: Finished difference Result 6 states and 5 transitions. [2019-05-23 09:49:42,982 INFO L146 ILogger]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-05-23 09:49:42,983 INFO L146 ILogger]: Start accepts. Automaton has 7 states. Word has length 7 [2019-05-23 09:49:42,983 INFO L146 ILogger]: Finished accepts. some prefix is accepted. [2019-05-23 09:49:42,983 INFO L146 ILogger]: With dead ends: 6 [2019-05-23 09:49:42,983 INFO L146 ILogger]: Without dead ends: 0 [2019-05-23 09:49:42,984 INFO L146 ILogger]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-05-23 09:49:42,984 INFO L146 ILogger]: Start minimizeSevpa. Operand 0 states. [2019-05-23 09:49:42,984 INFO L146 ILogger]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-05-23 09:49:42,984 INFO L146 ILogger]: Start removeUnreachable. Operand 0 states. [2019-05-23 09:49:42,985 INFO L146 ILogger]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-05-23 09:49:42,985 INFO L146 ILogger]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-05-23 09:49:42,986 INFO L146 ILogger]: Finished accepts. word is rejected. [2019-05-23 09:49:42,986 INFO L146 ILogger]: Abstraction has 0 states and 0 transitions. [2019-05-23 09:49:42,986 INFO L146 ILogger]: Interpolant automaton has 7 states. [2019-05-23 09:49:42,986 INFO L146 ILogger]: Start isEmpty. Operand 0 states and 0 transitions. [2019-05-23 09:49:42,987 INFO L146 ILogger]: Finished isEmpty. No accepting run. [2019-05-23 09:49:42,989 INFO L146 ILogger]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-05-23 09:49:42,991 INFO L146 ILogger]: Adding new model n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.05 09:49:42 BasicIcfg [2019-05-23 09:49:42,992 INFO L146 ILogger]: ------------------------ END TraceAbstraction---------------------------- [2019-05-23 09:49:42,994 INFO L146 ILogger]: Toolchain (without parser) took 2058.77 ms. Allocated memory was 133.2 MB in the beginning and 171.4 MB in the end (delta: 38.3 MB). Free memory was 109.5 MB in the beginning and 132.7 MB in the end (delta: -23.3 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-05-23 09:49:42,995 INFO L146 ILogger]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-05-23 09:49:42,996 INFO L146 ILogger]: Boogie Procedure Inliner took 41.85 ms. Allocated memory is still 133.2 MB. Free memory was 109.3 MB in the beginning and 107.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-05-23 09:49:42,997 INFO L146 ILogger]: Boogie Preprocessor took 22.97 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 106.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-05-23 09:49:42,998 INFO L146 ILogger]: RCFGBuilder took 323.40 ms. Allocated memory is still 133.2 MB. Free memory was 106.5 MB in the beginning and 97.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-05-23 09:49:42,999 INFO L146 ILogger]: IcfgTransformer took 49.74 ms. Allocated memory is still 133.2 MB. Free memory was 97.2 MB in the beginning and 94.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-05-23 09:49:43,000 INFO L146 ILogger]: TraceAbstraction took 1615.78 ms. Allocated memory was 133.2 MB in the beginning and 171.4 MB in the end (delta: 38.3 MB). Free memory was 94.4 MB in the beginning and 132.7 MB in the end (delta: -38.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-05-23 09:49:43,005 INFO L146 ILogger]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.85 ms. Allocated memory is still 133.2 MB. Free memory was 109.3 MB in the beginning and 107.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.97 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 106.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 323.40 ms. Allocated memory is still 133.2 MB. Free memory was 106.5 MB in the beginning and 97.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * IcfgTransformer took 49.74 ms. Allocated memory is still 133.2 MB. Free memory was 97.2 MB in the beginning and 94.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1615.78 ms. Allocated memory was 133.2 MB in the beginning and 171.4 MB in the end (delta: 38.3 MB). Free memory was 94.4 MB in the beginning and 132.7 MB in the end (delta: -38.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 0 SDslu, 10 SDs, 0 SdLazy, 74 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 15 NumberOfNonLiveVariables, 155 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/20 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...